---
title: "Morgan Stanley: $40 Trillion US Debt Will 'Brake' the Economy, But 'No Collapse' Expected as Household and Corporate Balance Sheets Remain Healthy"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296732256.md"
description: "With US debt surpassing $40 trillion, Morgan Stanley offers a \"no need to panic\" assessment—corporate leverage has remained flat for a decade, households have locked in historically low mortgage rates, and net worth continues to improve, forming a triple buffer against shocks. The true \"breaking point\" lies not in the debt itself, but in when bond yields become a substantive competitor to equities. Once earnings growth slows, the vulnerability of US stocks will rise sharply"
datetime: "2026-08-24T03:45:38.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296732256.md)
  - [en](https://longbridge.com/en/news/296732256.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296732256.md)
generator: "portal-rs"
---

# Morgan Stanley: $40 Trillion US Debt Will 'Brake' the Economy, But 'No Collapse' Expected as Household and Corporate Balance Sheets Remain Healthy

The scale of US federal debt has surpassed $40 trillion, sparking a new round of concerns about economic prospects.

Andrew Sheets, Head of Global Fixed Income Research at Morgan Stanley, provided a clear judgment in his latest report: **Elevated government debt will impose certain constraints on economic activity, but it is insufficient to trigger a systemic collapse—the continuous improvement of corporate and household balance sheets constitutes a key buffer against shocks.**

Sheets pointed out that US federal debt has increased by $20 trillion over the past decade, with more than $1 trillion added in just the last three months. The ratio of government debt to GDP is rising across major global economies. Nevertheless, he believes that behind the deterioration of public sector debt lies the simultaneous improvement of corporate and household balance sheets. This structural feature means the transmission effect of debt on the real economy is far milder than market expectations suggest.

The core question for the market is: Against the backdrop of continuously rising yields, where will debt pressure form a true "breaking point"? Morgan Stanley's conclusion is that this critical point is more likely to appear at the asset allocation level—specifically, when bond yields become attractive enough to compete substantively with equities. Currently, this shift has not yet occurred.

## Corporate Debt: Record Issuance, But No Deterioration in Leverage

The Morgan Stanley report shows that driven by a surge in technology spending and a recovery in M&A activity, corporate bond issuance is hitting historic highs. The bank's credit strategy team expects full-year issuance to break records again.

However, Sheets believes this wave of issuance does not constitute a systemic risk. The core basis for this view is that the ratio of US corporate debt to GDP has remained basically flat over the past decade and has decreased compared to pre-pandemic levels. Hyperscalers have low leverage, and the high returns on AI investments provide reasonable support for companies to "finance at high prices." The report predicts that **rising yields will not halt this financing wave, and credit spreads will only expand moderately.**

## Household Sector: Mortgages Locked at Low Rates, Net Worth Continues to Improve

The situation in the household sector is also better than surface data suggests. The report points out that **the ratio of US household debt to GDP is currently around 67%, lower than the approximately 70% in 2000 and down by about 6 percentage points from 74% in 2019.**

More importantly, this figure may still overstate the actual pressure. Sheets emphasized that a significant proportion of household debt consists of mortgages locked in during the period of historically low interest rates, while the value of household assets has risen substantially. This partly explains why consumer spending has remained resilient despite the dual pressures of high interest rates and rising energy prices. He also noted that interest-rate-sensitive sectors such as housing are already in a slump, and one should not overestimate the speed of the household sector's reaction to interest rate changes.

These trends are not unique to the United States. While European government debt-to-GDP ratios have risen, deleveraging in the corporate and household sectors has been more significant. In Japan, public borrowing has increased, but private sector leverage has remained stable. Sheets attributes this phenomenon to policy choices—the United States, France, Japan, Sweden, Switzerland, Italy, and the United Kingdom have all lowered tax rates over the past decade. The relative deterioration of public sector balance sheets compared to the private sector is the result of active policy orientation.

## The Real Risk: The Moment of Asset Allocation Rebalancing

The true impact of debt pressure on the market lies not in companies stopping borrowing or households cutting consumption, but in whether investors begin to believe that bonds offer a more attractive risk-return profile than stocks.

**The report points out that the current yield on US 30-year Treasury bonds is about 300 basis points higher than expected inflation, and the yield on long-duration US investment-grade bonds has reached 6.2%. However, current capital flows and stock-bond correlations do not show obvious signs of reallocation—stock and bond prices have recently moved in the same direction, which is inconsistent with the characteristics of funds flowing from the stock market to the bond market.**

Earnings growth is the key variable maintaining the status quo. The S&P 500 has risen about 13% year-to-date, and the yield on the US 10-year Treasury note has risen by about 50 basis points. However, the equity risk premium measured by Morgan Stanley strategists—defined as the difference between the earnings yield and the bond yield—has remained basically flat. Sheets compares the current situation to the market environment of the late 1990s and warns that once earnings growth slows, market vulnerability will increase significantly.

## Relative Opportunities: UK Inflation-Linked Bonds and the Australian Dollar Favorable

Against the backdrop of diverging global fiscal landscapes, Morgan Stanley also highlighted some relatively superior allocation opportunities.

The report states that the UK is one of the few major economies where the fiscal deficit is expected to narrow, leading Morgan Stanley to favor UK inflation-linked bonds. Additionally, with the Australian government debt-to-GDP ratio at only 49%, coupled with higher spread returns, the Australian dollar is also viewed favorably by the bank.

Meanwhile, Sheets holds a relatively cautious view on the US dollar. He believes that if the US Treasury intervenes more actively in long-end interest rates, it will suppress the US dollar, and he expects the steepening trend of the US Treasury yield curve in the 7-to-30-year segment to resume.

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**